# Word Frequency Analyzer API

> For the complete documentation index, see [llms.txt](/llms.txt).

Analyze word frequency, unique words, lexical diversity, and CSV output.

Use this endpoint to add the tool to your app, site, workflow, or agent without rebuilding formulas, validation, examples, and docs.

- Slug: `word-frequency-analyzer`
- Category: `text`
- Version: `2026-04-22`
- Credits per successful call: 1
- Starts on: free
- Max payload: 65536 bytes
- Privacy mode: `no_body_logs`
- Available on: free, starter, pro, business, scale
- Browser tool: https://miniwebtool.com/word-frequency-analyzer/

## Endpoint

`POST https://api.miniwebtool.com/v1/tools/word-frequency-analyzer/run`

## Request body

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `text` | `str` | yes |  |
| `top_n` | `int` | no |  |
| `include_numbers` | `bool` | no |  |
| `case_sensitive` | `bool` | no |  |
| `remove_stop_words` | `bool` | no |  |
| `lemmatize` | `bool` | no |  |

## Example request

```json
{
  "text": "Cats chase cats and dogs chase balls.",
  "top_n": 5,
  "remove_stop_words": true
}
```

## cURL

```bash
curl -X POST https://api.miniwebtool.com/v1/tools/word-frequency-analyzer/run \
  -H 'Authorization: Bearer mwt_live_YOUR_KEY' \
  -H 'Content-Type: application/json' \
  -d '{"text":"Cats chase cats and dogs chase balls.","top_n":5,"remove_stop_words":true}'
```

## Response envelope

```json
{
  "request_id": "01K...",
  "tool": "word-frequency-analyzer",
  "tool_version": "2026-04-22",
  "credits_used": 1,
  "result": {}
}
```

## Errors

Errors are RFC 7807 `application/problem+json`. Branch on `code`, not `title`.

## MCP

Agents can discover and call this tool through `https://api.miniwebtool.com/mcp` or `https://api.miniwebtool.com/v1/mcp` using MCP `tools/list` and `tools/call`.

## Frequently asked

### What does the Word Frequency Analyzer API do?

Analyze word frequency, unique words, lexical diversity, and CSV output. Use it to add this utility without rebuilding formulas, validation, examples, and documentation.

### How much does one call cost?

1 credit per successful call. Failed calls do not bill.

### What parameters are required?

Required fields: text. Full schema at `https://api.miniwebtool.com/v1/openapi.json`.

### Is this deterministic?

Yes. Same input, same output. Tool version: 2026-04-22.